6514435394 has 16 divisors (see below), whose sum is σ = 10351755288. Its totient is φ = 3064046592.

The previous prime is 6514435391. The next prime is 6514435427. The reversal of 6514435394 is 4935344156.

It can be written as a sum of positive squares in 4 ways, for example, as 6482343169 + 32092225 = 80513^2 + 5665^2 .

It is not an unprimeable number, because it can be changed into a prime (6514435391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19694 + ... + 115830.

Almost surely, 2^6514435394 is an apocalyptic number.

6514435394 is a deficient number, since it is larger than the sum of its proper divisors (3837319894).

6514435394 is a wasteful number, since it uses less digits than its factorization.

6514435394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98149.

The product of its digits is 777600, while the sum is 44.

The square root of 6514435394 is about 80712.0523465982. The cubic root of 6514435394 is about 1867.6361023059.

The spelling of 6514435394 in words is "six billion, five hundred fourteen million, four hundred thirty-five thousand, three hundred ninety-four".